Answer:
1. Elctromagnetic/ Infrared Radiation
2.Conduction, Convection, Radiation
3. inward
4. fr ee convection
5. radiation
6. conduction
7. thermal radiation
8. Conduction and Convection
9. Heat convection
10. conduction
11. thermal radiation
12. conduction
13. conduction
14. infrared radiation
15. Convection